UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2026011811.upa.cvt Date: 1100Z 18 JAN 26 Searching for BGDH... Searching the city database file for: BGDH ... Date:1100Z 18 JAN 26 Station: BGDH WMO ident: 4320 Latitude: 76.77 Longitude: -18.67 Elevation: 12.00 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1006 12 -25.7 -29.4 71 3.7 -26.0 90 3 247.0 247.1 246.7 247.9 0.33 1 993 108 -16.1 -23.1 55 7.0 -17.1 103 4 257.6 257.7 256.5 259.2 0.60 2 983 184 -15.5 -24.5 46 9.0 -16.8 113 5 258.9 259.0 257.4 260.4 0.53 3 968 300 -16.5 -25.5 46 9.0 -17.7 129 7 259.0 259.1 257.5 260.4 0.50 4 958 379 -10.1 -18.1 52 8.0 -11.8 139 8 266.3 266.5 263.9 269.0 0.96 5 929 617 -6.1 -18.1 38 12.0 -8.9 170 12 272.7 272.9 268.4 275.6 0.99 6 907 804 -5.9 -20.9 29 15.0 -9.2 195 14 274.8 274.9 269.4 277.2 0.80 7 896 900 -3.9 -21.9 23 18.0 -8.0 207 15 277.8 278.0 271.2 280.0 0.74 8 850 1314 -5.1 -22.1 25 17.0 -9.0 260 21 280.8 280.9 272.9 283.1 0.76 9 818 1615 -6.1 -21.1 29 15.0 -9.6 258 21 282.8 283.0 274.3 285.5 0.87 10 784 1948 -5.3 -22.3 25 17.0 -9.4 256 21 287.2 287.3 276.5 289.7 0.81 11 769 2099 -6.5 -22.5 27 16.0 -10.3 255 21 287.5 287.6 276.6 290.0 0.82 12 700 2826 -12.1 -24.1 36 12.0 -14.6 250 21 289.1 289.2 277.4 291.5 0.78 13 632 3601 -17.3 -23.3 60 6.0 -18.5 250 27 291.7 291.9 278.9 294.6 0.93 14 624 3697 -16.3 -22.3 60 6.0 -17.6 250 27 293.9 294.1 280.1 297.2 1.02 15 605 3930 -14.7 -23.7 46 9.0 -16.7 250 29 298.4 298.6 281.9 301.4 0.93 16 584 4197 -16.9 -24.9 50 8.0 -18.6 250 31 298.9 299.0 282.0 301.7 0.87 17 500 5350 -23.1 -31.1 48 8.0 -24.4 250 40 304.9 305.0 284.1 306.8 0.57 18 443 6225 -27.7 -40.7 28 13.0 -29.1 253 35 309.8 309.9 285.5 310.7 0.25 19 406 6845 -31.7 -41.7 37 10.0 -32.6 255 32 312.5 312.5 286.5 313.3 0.24 20 400 6950 -32.5 -42.5 36 10.0 -33.4 255 31 312.7 312.8 286.6 313.6 0.23 21 380 7309 -35.7 -43.7 44 8.0 -36.3 257 35 313.2 313.2 286.7 313.9 0.21 22 363 7626 -37.3 -50.3 25 13.0 -38.1 258 38 315.1 315.2 287.3 315.5 0.11 23 339 8094 -41.3 -50.3 37 9.0 -41.8 261 43 315.9 315.9 287.5 316.3 0.11 24 300 8910 -48.7 -53.7 56 5.0 -48.8 265 52 316.7 316.7 287.8 317.0 0.09 25 255 9956 -57.9 -62.0 59 4.1 -58.0 265 61 318.2 318.2 288.2 318.3 0.04 26 250 10080 -59.1 -64.1 52 5.0 -59.2 265 62 318.2 318.2 288.2 318.3 0.03 27 222 10814 -65.3 -71.3 43 6.0 -65.3 265 68 319.7 319.7 288.6 319.7 0.01 28 210 11149 -68.3 -74.3 42 6.0 -68.3 265 71 320.1 320.1 288.8 320.2 0.01 29 200 11440 -70.9 -76.9 41 6.0 -70.9 265 68 320.5 320.5 288.9 320.5 0.01 30 183 11962 -74.1 -80.1 39 6.0 -74.1 260 64 323.5 323.5 289.8 323.5 0.00 31 167 12502 -68.9 -74.9 42 6.0 -68.9 262 50 340.8 340.8 294.5 340.8 0.01 32 150 13140 -71.1 -79.1 30 8.0 -71.1 265 33 347.6 347.6 296.1 347.6 0.01 33 132 13899 -68.9 -79.9 19 11.0 -68.9 268 32 364.5 364.5 299.5 364.5 0.01 34 109 15041 -69.7 -85.7 8 16.0 -69.8 273 31 383.5 383.5 302.8 383.5 0.00 35 104 15319 -71.3 -89.3 5 18.0 -71.3 274 31 385.6 385.6 303.1 385.6 0.00 36 101 15492 -72.3 -91.3 4 19.0 -72.3 275 31 386.9 386.9 303.3 386.9 0.00 37 100 15550 -72.7 -90.7 5 18.0 -72.8 275 31 387.3 387.3 303.4 387.3 0.00 TRP 183 11962 -74.1 -80.1 39 6.0 -74.1 260 64 323.5 323.5 289.8 323.5 0.00 WND 210 11149 -68.3 -74.3 42 6.0 -68.3 265 71 320.1 320.1 288.8 320.2 0.01 Sounding variables and indices 1000-500 mb thick: 5293.88 m Freezing level: Surface below freezing Wetbulb zero: Below ground Precipitable water: 0.18 inches Sfc-500 mean rel hum: 40.85 % Est. max temperature: 7.74 C = 45.93 F Sfc-Lift cond lev (LCL): 945.53 mb = 480.19 m = 1575.40 ft T: -8.40 C 700-500 lapse rate: 4.36 C/km Conv cond level (CCL): 422.62 mb = 6560.01 m = 21522.09 ft Mean mixing ratio: 0.76 g/kg Conv temperature: 38.63 C = 101.54 F Cap Strength: 27.44 C Lifted Index: 31.02 C Risk: None Lifted Index @300 mb: 35.07 C Lifted Index @700 mb: 20.63 C Showalter Index: 18.36 C Risk: None Total Totals Index: 19.00 C Risk: None Vertical Totals Index: 18.00 C Cross Totals Index: 1.00 C K Index: -16.10 Risk: None Sweat Index: 82.00 Risk: None Energy Index: 4.98 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 101.41 J/kg Max Up Vert Vel: 14.24 m/s Conv Inhibition (B-): 22650.25 J/kg Cap Strength: 30.93 C Lift Cond Lev (LCL): 821.10 mb = 1585.26 m = 5200.93 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 282 at 19 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1006 12 90 3 -3.0 0.0 | 100 22 -21.4 3.9 1 850 1314 260 21 20.7 3.6 | 197 8 2.3 7.5 2 700 2826 250 21 19.7 7.2 | 187 11 1.4 11.0 3 500 5350 250 40 37.6 13.7 | 228 26 19.2 17.5 4 400 6950 255 31 29.9 8.0 | 224 17 11.6 11.9 5 300 8910 265 52 51.8 4.5 | 256 34 33.4 8.4 6 250 10080 265 62 61.8 5.4 | 258 44 43.4 9.3 7 210 11149 265 71 70.7 6.2 | 259 53 52.4 10.1 8 200 11440 265 68 67.7 5.9 | 259 50 49.4 9.8 9 183 11962 260 64 63.0 11.1 | 251 47 44.7 15.0 10 150 13140 265 33 32.9 2.9 | 245 16 14.5 6.7 11 100 15550 275 31 30.9 -2.7 | 265 13 12.5 1.2 Wind Parameters Mean winds (0-6000m): 251.9 at 25.0 knts Storm direction: 281.9 at 18.8 knts Shear (0-3000m) pos: 4.1 neg: 0.6 tot: 4.7 10-3/s Storm rel Dir Shear (0-3000m): 92.8 deg Storm rel helicity (0-3000m) pos: 178.0 neg: -4.0 tot: 174.1 m^2/s^2 ave: 58.0 10^-3 m/s^2 rel: 0.69 Storm rel vorticity (0-3000m) horiz: 7.8 stream: 5.4 10^-3/s Energy-Hel index: 0.11 Bulk Rich Number: 1.64 Bulk Shear: 61.94 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 302 6 93 13| 9.3 0.0 9.3| 56.0 0.0 56.0 112.1 0.83| 10.5 8.7 1000 272 10 112 9| 9.7 0.0 9.7|144.3 0.0 144.3 144.3 0.85| 13.8 11.8 1500 259 13 139 9| 8.2 0.0 8.2|174.4 -0.3 174.1 116.1 0.78| 14.0 10.9 2000 258 15 152 8| 6.2 0.3 6.5|174.4 -1.6 172.8 86.4 0.74| 10.8 8.0 2500 257 16 161 8| 4.9 0.5 5.4|174.4 -3.0 171.4 68.6 0.71| 8.9 6.3 3000 255 17 167 8| 4.1 0.6 4.7|178.0 -4.0 174.1 58.0 0.69| 7.8 5.4 4000 254 19 181 9| 3.1 1.2 4.3|197.8 -4.0 193.8 48.5 0.69| 6.8 4.7 5000 252 22 195 11| 2.5 1.7 4.2|217.5 -4.0 213.6 42.7 0.67| 6.2 4.2 6000 252 25 205 13| 2.0 1.5 3.4|224.1 -5.3 218.8 36.5 0.62| 5.7 3.5 Wrote GIF file: /home/apache/climate/data/raob//BGDH/skewt/BGDH.skewt.20260118.11.gif